Gets find bar animation/clipping to work on views/gtk.

views/view.cc

Index: views/view.cc
===================================================================
--- views/view.cc	(revision 30814)
+++ views/view.cc	(working copy)
@@ -429,14 +429,12 @@
     if (HasHitTestMask()) {
       gfx::Path mask;
       GetHitTestMask(&mask);
+      ScopedRegion rgn(mask.CreateNativeRegion());
+      // TODO: can this use SkRegion's contains instead?
 #if defined(OS_WIN)
-      ScopedHRGN rgn(mask.CreateHRGN());
       return !!PtInRegion(rgn, l.x(), l.y());
 #elif defined(OS_LINUX)
-      GdkRegion* region = mask.CreateGdkRegion();
-      bool result = gdk_region_point_in(region, l.x(), l.y());
-      gdk_region_destroy(region);
-      return result;
+      return gdk_region_point_in(rgn.Get(), l.x(), l.y());
 #endif
     }
     // No mask, but inside our bounds.